Born-Digital or AnalogAnalogTranscriptGlen canyon national recreation area Proposals by the U.S. Bureau of Reclamation to expand hydroelectric power production in Grand Canyon region opposed by float-trip operators. Post D 19, 1976 p.32CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Glen canyon national recreation area, [273534]. Denver Public Library Digital Collections, accessed 11/11/2025, https://digital.denverlibrary.org/nodes/view/1477090
